Door for air filter apparatus



FIG. 1 is a perspective view of a door for air filter apparatus in accordance with our invention;

FIG. 2 is a front elevation view of the door for air filter apparatus shown in FIG. 1;

FIG. 3 is a left side view of the door for air filter apparatus shown in FIG. 1;

FIG. 4 is a right side view of the door for air filter apparatus shown in FIG. 1;

FIG. 5 is a top plan view of the door for air filter apparatus shown in FIG. 1; and,

FIG. 6 is a bottom plan view of the door for air filter apparatus shown in FIG. 1.

The dashed lines in FIG. 1 are for illustrative purposes only and form no part of the invention.

The side of the door for air filter apparatus opposite the side shown in FIG. 2 is unadorned. 

The ornamental design for a door for air filter apparatus, as shown and described. 